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Finding the Fourth Proportional to 22,182.88, 30,612.43 and 12,111.41

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Solution

The fourth proportional to 22,182.88, 30,612.43 and 12,111.41 is: 16,713.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,182.88 : 30,612.43 = 12,111.41 : x
  2. Step 2: Convert to fraction form
    22,182.88/30,612.43 = 12,111.41/x
  3. Step 3: Cross multiply
    22,182.88x = 30,612.43 × 12,111.41
  4. Step 4: Simplify right side
    22,182.88x = 370,759,610.30
  5. Step 5: Solve for x
    x = 370,759,610.30/22,182.88
  6. Step 6: Final answer
    x = 16,713.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.